iMac 11,2 Safari or Browser becoming unresponsive after some time?

I've noticed when i used it for a few minutes, minimising, resizing, etc, it becomes unresponsive. It's not exactly crashing, but the processes start taking up a lot of memory and the menu bar won't register any mouse clicks anymore, and you can click or scroll on any website.

It can easily go back to finder though, but i have to kill of the Safari processes.

Anyone got the same on this iMac? It has a SSD and 16Gb.

Also get the occasional flickering. I tried enabling/disabling the features in OpenCore but it doesn't seem to make any difference. I don't have any of these issues on iMac late 2013.

submitted by /u/atvvta
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